Prosecution Insights
Last updated: August 18, 2026

Examiner: YANCHUK, STEPHEN J

Tech Center 1700 • Art Units: 1723 1725 1729 1752 1795

This examiner grants 50% of resolved cases

Performance Statistics

50.4%
Allow Rate
-14.6% vs TC avg
523
Total Applications
+40.0%
Interview Lift
1716
Avg Prosecution Days
Based on 500 resolved cases, 2023–2026

Rejection Statute Breakdown

1.9%
§101 Eligibility
18.9%
§102 Novelty
55.2%
§103 Obviousness
20.1%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18010114 ELECTRIC STORAGE DEVICE Non-Final OA TOYOTA JIDOSHA KABUSHIKI KAISHA
18938754 Electrode Having Excellent Weldability Between Electrode Lead and Electrode Tab and Method of Manufacturing the Same Non-Final OA LG Energy Solution, Ltd.
18006101 Electrode Having Excellent Weldability Between Electrode Lead and Electrode Tab and Method of Manufacturing the Same Final Rejection LG Energy Solution, Ltd.
18010022 Bus Bar Having High Heat Dissipation Performance Final Rejection LG Energy Solution, Ltd.
18555297 SECONDARY BATTERY, ELECTRONIC DEVICE, AND VEHICLE Non-Final OA SEMICONDUCTOR ENERGY LABORATORY CO., LTD.
18449511 BATTERY CELL, BATTERY AND ELECTRICAL DEVICE Non-Final OA CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED
18066286 BATTERY CELL, BATTERY, ELECTRIC DEVICE, AND METHOD AND DEVICE FOR MANUFACTURING BATTERY CELL Non-Final OA CONTEMPORARY AMPEREX TECHNOLOGY (HONG KONG) LIMITED
18085325 BIPOLAR PLATE FOR FUEL CELL AND FUEL CELL INCLUDING THE SAME Final Rejection Kia Corporation
18062070 SOLID STATE BATTERY Non-Final OA Murata Manufacturing Co., Ltd.
18578409 SLURRY COMPOSITION FOR ALL-SOLID-STATE SECONDARY BATTERY, SOLID ELECTROLYTE-CONTAINING LAYER, AND ALL-SOLID-STATE SECONDARY BATTERY Non-Final OA ZEON CORPORATION

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